Multi-part disc brake

Abstract

At least two juxtaposed brake rings forming a brake disc for disc brakes are carried by a cup-shaped hub and connected with one another by the hub. Each of the two members have the same basic form and are fitted into one another. Each of the members integrally forms a brake ring and hub members which are connected with one another by a fastening device for securing the multi-part brake disc to a carrier.

What is claimed is: 
     
       1. A multi-part brake disc for disc brakes for attachment to a brake carrier on an automotive vehicle comprising: at least two juxtaposed brake rings carried by a cup-shaped hub having a bottom, said brake rings being connected with one another at said hub, said cup-shaped hub having side walls extending outwardly from said bottom in one direction and said brake rings extending outwardly from said bottom in a direction opposite from said one direction;   said cup-shaped hub comprising at least two hub members of substantially the same cup-like shape fitted into one another;   each of said hub members having an integrally formed brake ring thereon; and   peripherally spaced openings through said side walls of said hub members for fastening means for interconnecting said hub members and said brake rings and for securing the assembled brake disc to said carrier.   
     
     
       2. The multi-part brake disc of claim 1, wherein said brake rings are of the same thickness. 
     
     
       3. The multi-part brake disc of claim 1, wherein said hub members are of the same thickness. 
     
     
       4. The multi-part brake disc of claim 1, wherein both said brake rings and said hub members are of the same thickness. 
     
     
       5. The multi-part brake disc of claim 1, further including a layer of sound deadening material applied on the contacting faces of said brake rings and hub members. 
     
     
       6. The multi-part brake disc of claim 2, further including a layer of sound deadening material applied on the contacting faces of said brake rings and hub members. 
     
     
       7. The multi-part brake disc of claim 3, further including a layer of sound deadening material applied on the contacting faces of said brake rings and hub members. 
     
     
       8. The multi-part brake disc of claim 4, further including a layer of sound deadening material applied on the contacting faces of said brake rings and hub members. 
     
     
       9. A multi-part brake disc for disc brakes for attachment to a carrier on automotive vehicles comprising: at least two members having integrally formed cup-shaped hub member portions having a bottom and side walls extending outwardly from said bottom in one direction and brake ring portions extending outwardly from said bottom in a direction opposite to said one direction, said portions being formed so as to provide for frictional engagement along their interior surfaces throughout their extent, whereby said members may be fitted into one another;   a plurality of bores provided through said side walls of said hub member portions; and   fastening means extending through said bores for connecting said members together and for securing the assembled members to said carrier.   
     
     
       10. The multi-part brake disc of claim 9, further including a layer of a sound deadening material applied to substantially all of the contacting surfaces between said members.